> For the complete documentation index, see [llms.txt](https://wowapps.gitbook.io/wowbundle/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wowapps.gitbook.io/wowbundle/bundle-types/overview.md).

# Overview

Each tier has a **Tier type**. Choose the type based on what the customer receives.

## Volume

Use **Volume (1)** for several items of the same product. For example, sell one bottle at the regular price or two bottles at 10% off.

[Set up quantity breaks](/wowbundle/bundle-types/quantity-breaks.md).

## Buy X Get Y

Use **Buy X Get Y (2)** to set separate bought and received quantities. The extra items can be the same product or a different product, free or discounted.

[Set up Buy X Get Y](/wowbundle/bundle-types/buy-x-get-y.md).

## Bundle

Use **Bundle (3)** for a fixed set of different products. Set the quantity and discount for each product in the set.

[Set up a mixed-product bundle](/wowbundle/bundle-types/mixed-bundles.md).

![Full WowBundle editor with Volume, Buy X Get Y and Bundle tier types marked.](https://509262307-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2ForO5ObmoZj39Yv9npS3w%2Fuploads%2Fgit-blob-fc9bbf888b0399d206ea876c44486326560c1ad8%2Ftypes-overview.png?alt=media)